diff --git a/build_raspbian.sh b/build_raspbian.sh
index 327f78d..afa1fff 100644
--- a/build_raspbian.sh
+++ b/build_raspbian.sh
@@ -13,6 +13,7 @@ cd wstunnel
 
 stack config set system-ghc --global true 
 sed -i "s/resolver:.*/resolver: lts-12.26/g" stack.yaml
+sed -i 's/-rtsopts ".*//g' wstunnel.cabal
 
 stack setup
 stack build